Lighting device



FIG. 1 is a rear perspective view of a lighting device.

FIG. 2 is a front perspective view of the lighting device.

FIG. 3 is a top view of the lighting device.

FIG. 4 is a bottom view of the lighting device; and,

FIG. 5 is a right side view of the lighting device. The left side view, front view and rear view are mirror images of the right side view.

The portions of the lighting device shown in broken lines form no part of the claimed design. 

We claim the ornamental design for a lighting device, as shown and described. 